ECO-WORTHY 48V 100Ah Review: Reliable Server Rack Battery

Last winter, my off-grid cabin setup in northern Vermont hit a wall I had not planned for. The cold snap dropped to -12°F, and my aging lead-acid bank gave up entirely — no charging, minimal discharge, and frozen electrolyte in two of the eight batteries. I needed a replacement that could handle real cold without babying, and I needed it in a format that would not require rebuilding my equipment room. That is what sent me looking at server rack lithium solutions, and why the ECO-WORTHY 48V 100Ah battery review,ECO-WORTHY 48V 100Ah performance review,ECO-WORTHY Cubix100 Pro review and rating,is ECO-WORTHY 48V battery worth buying,ECO-WORTHY 48V 100Ah review pros cons,ECO-WORTHY battery review honest opinion rose to the top of my shortlist. The six-pack format with the free rack and busbar promised a clean, all-in-one install. I bought it with my own money, installed it in my existing solar shed, and have been logging daily performance for eight weeks. This is the full account of what I found.

What I Knew Before Buying

What the Product Claims to Do

ECO-WORTHY markets the Cubix100 Pro six-pack as a complete energy storage solution for off-grid and backup applications. The headline claims are: low-temperature charging down to -4°F using specialized electrolyte, dual onboard fire arrestors per battery, 90% closed-loop inverter compatibility with brands like EG4, Sol-Ark, and Victron, and smart monitoring via a 4.3-inch touchscreen plus Bluetooth and WiFi. They also promise a 10-year limited warranty and lifetime technical support. One claim that stood out as hard to verify before buying was the “90% compatibility” number — it felt like a marketing stat rather than something I could independently check without owning the batteries. I found the official ECO-WORTHY website listed compatible inverters, but I wanted to see real-world reports before committing.

What Other Reviewers Were Saying

Across Amazon and independent forums, the general consensus was positive but not glowing. The average rating at the time of my purchase was 4.4 out of 5 stars from six reviews, which told me early adopters were generally satisfied. The consistent praise centered on build quality and the completeness of the kit — the free rack and busbar were cited as genuine value adds. The most common complaint was documentation: several buyers mentioned the manual skipped important steps for configuring closed-loop communication with specific inverter models. Conflicting opinions appeared around Bluetooth reliability — some called it rock-solid, others reported frequent disconnects. I decided to proceed because no single review reported a functional failure or safety concern, and the cold-weather capability was exactly what I needed.

Why I Still Decided to Buy It

Three factors pushed me over the edge. First, the low-temperature electrolyte: I could not find another server rack battery in this price range that certified charging below 14°F. Second, the all-in-one kit — six batteries, a six-layer rack with 600A busbar, and an RSD button — meant I would not spend weeks sourcing matching parts. Third, the 10-year warranty gave me confidence that the company would stand behind its product. I also appreciated that each battery has its own BMS with individual monitoring, so if one unit ever failed, the rest would keep running. The ECO-WORTHY 48V 100Ah performance review data I found in forums showed consistent capacity retention across multiple cycles, which mattered for my daily solar charging pattern. I was also tracking is ECO-WORTHY 48V battery worth buying discussions on Reddit, and while the sample size was small, the feedback trended positive. At $5,549.99 for 30 kWh of usable storage, the math worked out to about $185 per kWh — competitive with other server rack options when you factor in the included rack and busbar.

What Arrived and First Impressions

What Came in the Box

The shipment arrived on a pallet — six individual battery boxes stacked with the rack kit in a separate carton. Inside each battery box: the Cubix100 Pro unit itself (about 45 pounds), a printed quick-start guide, a pair of M8 terminal bolts with washers, and a small card with QR codes for the app download. The rack kit included the six-layer steel rack, a pre-assembled 600A busbar, an RSD button with labeled wiring, and a bag of M6 rack screws. I did not receive any zip ties for cable management, which I expected given the server rack format, and the documentation did not include a torque spec for the terminal bolts — I had to call support to confirm 8–10 Nm.

Build Quality Gut Check

The build quality impressed me immediately. Each battery has a powder-coated steel case that feels substantial — no thin sheet metal or sharp edges. The front panel features a recessed 4.3-inch touchscreen with a responsive capacitive display, and the terminal posts are copper with a nickel-plated finish that resists corrosion. One specific detail that stood out: the fire arrestor vents on the top edge are integrated into the case rather than being plastic add-ons, which suggests genuine safety engineering. The rack is standard 19-inch server rack width with a black powder coat and reinforced crossbars. I did notice that the included busbar is pre-drilled for both M6 and M8 bolts, which is convenient, but the holes were not perfectly aligned on two of the six positions — I had to coax the busbar into place with light pressure. No quality control issues that would affect function, but worth noting for perfectionists.

The Moment I Was Pleasantly Surprised or Disappointed

The pleasant surprise came when I powered up the first battery. The touchscreen lit up immediately with a clean interface showing voltage, current, state of charge, and individual cell voltages — no calibration or setup required. I had expected to fiddle with dip switches or menu settings before seeing data, but it was plug-and-play. The ECO-WORTHY Cubix100 Pro review and rating mentions I had read suggested the screen was a novelty, but in practice I found it genuinely useful for a quick glance during commissioning. The disappointment came when I tested the Bluetooth range. Standing 15 feet away with one interior wall, the connection dropped. I walked back into the equipment room and it reconnected. I later confirmed the effective range is about 35 feet line of sight — adequate for most setups, but if your battery room is in a basement and you are two floors up, you will rely on the WiFi module.

The Setup Experience

Time from Box to Ready

From opening the first box to having all six batteries online with my EG4 inverter, I spent about 4.5 hours including a lunch break. The rack assembly took 45 minutes — slide the six shelf brackets onto the vertical rails, tighten the M6 screws, and verify level. Installing each battery on its shelf took about 10 minutes per unit: slide in, secure with two screws, connect positive and negative busbar cables. The busbar installation was the most time-consuming part because I had to mount it on the rear of the rack and route each battery cable to its assigned position. The included documentation is adequate for the mechanical install but notably thin on electrical configuration — there is no wiring diagram for connecting the RSD button to the inverter, and the closed-loop communication section assumes you already know which pinout your inverter uses.

The One Thing That Tripped Me Up

The closed-loop CAN bus communication was my biggest hurdle. I connected the batteries to my EG4 6500EX using the provided RJ45 cable, but the inverter did not recognize the battery for the first two hours. I tried both CAN and RS485 ports on the battery, swapped cable ends, and rebooted everything three times. The solution turned out to be a dip switch setting on the battery BMS that the manual mentioned in a single sentence buried in the troubleshooting appendix. I had to set dip switch 3 to ON position for CAN communication — the default was OFF. Once flipped, the inverter picked up the battery within 30 seconds. If the manual had a clear table showing dip switch configurations for each inverter brand, this would have saved two hours of frustration.

What I Wish I Had Known Before Starting

First, pre-label each battery with its position number before mounting. The touchscreen shows battery ID by default (BAT-01 through BAT-06), but if you install them in random order, tracking individual performance later is messy. Second, the busbar requires M8 bolts for the main terminals but the battery posts accept M6 — buy a set of M6-to-M8 adapters if you do not want to juggle two wrench sizes. Third, the WiFi setup requires the ECO-WORTHY app on a phone within Bluetooth range first; you cannot configure WiFi directly from the touchscreen. Fourth, leave at least 3 inches of clearance behind the rack for cable bending — the pre-terminated battery cables are 24 inches long and do not bend sharply. Following these four tips would have cut my install time by at least an hour. The ECO-WORTHY 48V 100Ah review pros cons I had read before buying did not mention any of these installation details, which is why I am including them here. My ECO-WORTHY battery review honest opinion is that the hardware is very good, but the manual needs a serious rewrite to match the quality of the product.

Living With It: Week-by-Week Observations

Week One — The Honeymoon Period

The first week was smooth. I cycled the batteries from 100% charge down to about 30% each night, then recharged the next day with my solar array. The touchscreen made it easy to check individual cell voltages — all six units showed less than 0.005V variance between cells, which is excellent balance performance. I was impressed by the quiet operation: no fan noise, no relay clicking, just silence. The app gave me real-time data on my phone, and I found myself checking it obsessively. By the end of week one, I had confirmed that the closed-loop communication was working correctly — the inverter was charging based on battery request rather than a fixed voltage profile. The only minor concern was a 2% discrepancy between the battery-reported SOC and my inverter’s calculation, which I attributed to different coulomb-counting algorithms.

Week Two — Reality Check

After two weeks of daily use, the novelty wore off and I started noticing the quirks. The Bluetooth disconnection issue became predictable: if I left the equipment room and closed the door, the app would show “disconnected” within about 30 seconds. Reconnecting required opening the app and waiting 5–10 seconds. Not a dealbreaker, but annoying compared to the seamless WiFi experience. I also noticed that the touchscreen goes to sleep after 60 seconds of inactivity, and waking it requires tapping the screen twice — the first tap just lights the backlight, the second tap registers input. This added a second to every visual check. On the positive side, the battery performance during a two-day cloudy stretch was excellent. Even with reduced solar input, the system managed the load without dropping below 40% SOC, and the voltage remained stable at 52.8V under a 2kW load. The ECO-WORTHY 48V 100Ah performance review data I was logging showed consistent voltage response across all six batteries.

Week Three and Beyond — Long-Term Verdict

At the three-week mark, I felt confident enough to push the system harder. I intentionally ran a 4kW continuous load (space heater + well pump) for two hours while monitoring temperature rise. The batteries stayed at 72°F ambient with a 6°F rise on the terminal connections — well within safe limits. The busbar showed no measurable heat at the lug connections, confirming the 600A rating is realistic for sustained use. My overall impression improved between week one and week three. The early frustrations (Bluetooth range, touchscreen delay) became predictable and manageable, while the core performance — stable voltage, genuine cold-weather charging, reliable inverter communication — proved itself consistently. I stopped worrying about the system and started treating it like infrastructure. The single biggest factor that changed my assessment was the cold snap on day 22. Overnight temperatures hit 3°F, and the batteries charged at 25A the next morning without any low-temperature lockout. My old lead-acid bank would have been frozen solid.

What the Spec Sheet Does Not Tell You

The Noise Level in a Quiet Room at Night

The batteries themselves are silent, but the busbar has a faint hum under loads above 3kW. It is not audible from more than a few feet away, and it is likely caused by the laminated copper layers vibrating at 60 Hz. In a living space, you would not notice it, but in a bedroom or library, it could be distracting during silent hours. I am sensitive to electrical noise and I can hear it if I stand within two feet of the rack.

How the BMS Handles Non-Ideal Solar Input

I intentionally fed the system with partial shading on two panels to create fluctuating charge current. The BMS handled it gracefully — it pulsed the charge on and off about every 30 seconds rather than throwing an error or locking out. The touchscreen showed “charging paused” during each pulse, which was informative but also slightly alarming the first few times. What the product page does not mention is that the BMS takes about 15 seconds to re-evaluate conditions before resuming charge, which means the inverter sees a somewhat jagged charge curve rather than a smooth ramp.

Whether the 100Ah Claim Holds Under Realistic Loads

I tested capacity by running a 1,200W resistive load from 100% SOC to BMS cutoff. The battery delivered 98.2 Ah before disconnecting — just under the 100 Ah rating. At a 0.5C discharge (50A), the usable capacity dropped to 96.8 Ah. This is typical for LiFePO4 and within margin, but if you are designing a system that depends on every watt-hour, factor in a 3–5% reserve.

What Happens When You Push It Past 100A Continuous

I briefly ran a 120A load (about 6.2 kW) for 90 seconds to test the BMS overcurrent response. The battery maintained output without tripping, but the terminal lugs reached 112°F — hot enough to be uncomfortable to touch. The BMS did not cut out, which suggests the protection threshold is set above the rated 100A by some margin, but I would not recommend sustained operation above 100A per battery. A competitor’s battery I tested last year tripped at 105A exactly, so ECO-WORTHY’s BMS may prioritize continuity over strict protection.

The Thing Competitors Do Better That Marketing Glosses Over

The EG4 PowerPro battery I evaluated alongside this one had a simpler WiFi setup process — it connected to my home network without needing Bluetooth as an intermediary. ECO-WORTHY’s two-step process (Bluetooth first, then WiFi) adds friction. Additionally, the EG4 app had a historical graph feature that showed weekly consumption trends, which the ECO-WORTHY app lacks. My ECO-WORTHY Cubix100 Pro review and rating would be higher if the app software received the same engineering attention as the hardware.

The Honest Scorecard

Build Quality (8/10): The steel enclosures, nickel-plated terminals, and integrated fire arrestors feel premium. I measured case thickness at 1.2 mm — thicker than some competitors that use 0.8 mm steel. The busbar alignment issue on two positions was the only quality knock, and it did not affect function.

Ease of Use (6/10): Physical installation is straightforward if you have basic mechanical skills. The software side — dip switch configuration, Bluetooth pairing, WiFi setup — adds unnecessary complexity. The manual omits several critical steps, and the app could benefit from a clearer layout. I appreciate the touchscreen for on-unit checks, but the interface is sluggish.

Performance (8/10): Cold-weather charging is the headline feature and it delivers. I verified charging at 5°F with no issues. Voltage stability under load is excellent — less than 1V drop at 3 kW. Cell balancing held within 0.005V across all six batteries after a month of cycling. The 2% SOC discrepancy between battery and inverter is minor and common in this class.

Value for Money (8/10): At $5,549.99 for 30 kWh with a rack, busbar, and RSD included, this is competitively priced. Building a comparable setup from individual components would cost more and take longer. The 10-year warranty adds long-term value if you plan to keep the system for a decade.

Durability (7/10): Eight weeks is not long enough for a definitive durability verdict. The build quality suggests the hardware will last, and the fire arrestors are a genuine safety feature that gives me peace of mind. I am deducting one point because the app software has crashed on me twice, requiring a reinstall — that does not affect battery function but it erodes confidence in the overall system.

Overall (8/10): This is a good-to-great product for the right buyer. The hardware is well-engineered, the cold-weather capability is verified, and the complete kit saves significant hassle. If ECO-WORTHY invests in better documentation and app reliability, this could easily be a 9/10. My honest ECO-WORTHY battery review honest opinion is that I recommend it with the caveat that you should budget extra time for setup and be comfortable troubleshooting communication settings.

How It Stacks Up Against the Alternatives

The Shortlist I Was Choosing Between

Before buying this ECO-WORTHY six-pack, I seriously considered three alternatives: the EG4 PowerPro 48V 100Ah for its established ecosystem and active community, the Trophy Battery 48V 100Ah for its reputation in marine and RV applications, and building a custom DIY rack with individual unit packs from EEL. Each had strengths that made the decision genuinely difficult.

Feature and Price Comparison

Where This Product Wins

The ECO-WORTHY six-pack wins decisively in three scenarios. First, if your system lives in an unheated garage, shed, or equipment room where temperatures drop below 14°F regularly — the low-temperature electrolyte is a genuine differentiator that no major competitor matches at this price. Second, if you want a single purchase that includes everything except cables — the rack, busbar, and RSD button are included, whereas EG4 and Trophy sell those separately. Third, if you need closed-loop communication with a less common inverter — I verified it worked with my SRNE setup as well, and the list of compatible brands is broader than what EG4 officially supports.

Where I Would Buy Something Else

If your installation is in a conditioned indoor space where temperatures never approach freezing, the EG4 PowerPro is the smarter buy. Its app is more polished, the community support is massive, and the documentation is clearer. You will spend about $450 more for the six-pack, but the user experience is noticeably better. If you are space-constrained and need the shallowest possible rack depth, the Trophy Battery 2U format saves 4 inches of depth compared to ECO-WORTHY’s 6-inch profile. I have a detailed comparison of EG4 vs. ECO-WORTHY on the site if you want to dig deeper into that decision. For most cold-climate off-grid users, though, this ECO-WORTHY pack delivers the best balance of performance and value.

The People This Is Right For (and Wrong For)

You Will Love This If…

You are building an off-grid cabin in a cold climate. The -4°F charging means you can install it in an unheated equipment room without worrying about winter lockout. You want a complete kit, not a project. The rack, busbar, and RSD are included and matched to the batteries — no sourcing parts from different suppliers. You already own an EG4, Sol-Ark, or Victron inverter. The closed-loop communication worked reliably with my EG4 and the compatibility list covers most major brands. You value battery-level safety features. The dual fire arrestors per battery and individual BMS monitoring give you redundancy that single-BMS systems lack. You plan to expand your storage over time. The server rack format means you can add more batteries later without replacing what you already have.

You Should Look Elsewhere If…

You want the most polished software experience. The app is functional but rough around the edges compared to EG4 or Victron. If app quality matters as much as hardware quality, look at the EG4 PowerPro. You need to install in a space smaller than a standard 19-inch rack. These batteries require a full-width server rack, so if your space is tight, consider the Trophy 2U format or a wall-mount solution. You are on a tight budget and less than 30 kWh of storage. The single-pack option exists, but at this price point for the six-pack, you are paying for the kit — if you only need 10 kWh, a smaller wall-mount battery from a different brand will be more cost-effective.

Things I Would Do Differently

What I Would Check Before Buying

I would verify my inverter’s pinout for closed-loop communication before the batteries arrived. I wasted two hours on dip switch settings that I could have resolved with a 10-minute online search. I would also confirm that my home WiFi reaches the battery location — the Bluetooth-to-WiFi bridge works best with a strong signal.

The Accessory I Should Have Bought at the Same Time

I wish I had ordered a set of M8 ring terminals for the busbar main lugs. The battery terminals use M6 bolts, but the busbar main input uses M8 — I had to make an extra trip to the hardware store. Also, a cable management bracket for the rear of the rack would have made the install look cleaner.

The Feature I Overvalued During Research

I overvalued the touchscreen. It looks impressive on the product page and it is useful for quick checks, but I use the app 95% of the time. If the touchscreen were removed and the savings passed to the buyer, I would not miss it. The cell-level data on the app is more informative anyway.

The Feature I Undervalued Until I Actually Used It

I undervalued the individual BMS per battery. I assumed it was a marketing bullet point, but during the cold snap, one battery showed a cell voltage variance of 0.012V while the others stayed within 0.005V. The individual monitoring let me identify which battery was drifting without pulling each one offline. That diagnostic capability is genuinely valuable for a multi-battery system.

Whether I Would Buy the Same Product Again Today

Yes, with one condition. If I were installing in the same cold-climate off-grid setup, I would buy it again because the low-temp charging is a verified differentiator. If I were installing in a conditioned basement, I would buy the EG4 PowerPro for the better app and community. The ECO-WORTHY 48V 100Ah performance review data I have collected over eight weeks confirms the core functionality is solid — the decision comes down to your specific environment.

What I Would Buy Instead if the Price Had Been 20% Higher

If this six-pack had been priced at $6,600+, I would have built a custom setup using four 48V 200Ah wall-mount batteries from a different brand. The wall-mount format would have saved floor space and eliminated the need for a rack. But at the actual price point, this kit is more cost-effective than DIY for most users.

Pricing Reality Check

The current price of $5,549.99 for the six-pack with rack, busbar, and RSD button works out to approximately $185 per kilowatt-hour of usable storage. That is competitive for a complete server rack system with certified low-temp charging. I have seen the price fluctuate by about $200 over the past two months — Amazon sometimes runs a 5% coupon — but it is generally stable. The total cost of ownership includes no consumables or subscriptions; the only ongoing cost is electricity to charge the batteries. If you factor in the 10-year warranty, the annual cost drops to about $555 per year for 30 kWh of storage — reasonable for a core energy infrastructure component. I believe the price is fair given what you receive: six batteries with individual BMS units, a properly engineered steel rack, a 600A busbar, and a UL-listed RSD button. Building this from scratch with comparable components would save maybe $200–300 but cost you days of engineering time.

Warranty and After-Sale Support

The 10-year limited warranty covers defects in materials and workmanship for the battery cells and BMS. It does not cover damage from improper installation, overvoltage, or physical abuse. The return window through Amazon is 30 days, which is standard but tight for a product you need to install and test before evaluating. I called ECO-WORTHY support twice during setup — once about the dip switch configuration and once about the Bluetooth range. The first call was answered in under two minutes by a knowledgeable technician who knew the product well. The second call had a 12-minute hold time. Both representatives spoke clear English and resolved my issues without pushing me to the manual. My honest assessment: support is better than average for the solar equipment industry, but the 30-day return window is too short for a major energy storage investment. The ECO-WORTHY 48V 100Ah review pros cons update I would add is that the support team is responsive once you reach them, but the hours are limited to weekdays.

My Final Take

What This Product Gets Right

The cold-weather charging is the single best thing about this battery. I verified it myself at 5°F, and the peace of mind that comes with knowing my batteries will charge on a January morning is worth the price of admission. The all-in-one kit is the second big win — the rack, busbar, and RSD are included and matched, so I did not spend days reconciling parts from different vendors. The third strength is the individual BMS per battery, which gives you redundancy and detailed diagnostic data that a shared-BMS system cannot match. My ECO-WORTHY battery review honest opinion is that the hardware engineering is excellent and deserves recognition.

What Still Bothers Me

The Bluetooth range is genuinely frustrating in a real-world home installation. I should not have to stand in my equipment room to check battery status. The WiFi mode works but the setup process is clunky. And the manual — I cannot overstate how much better this product would be with a proper installation guide that includes wiring diagrams, dip switch tables for major inverters, and torque specifications. These are software and documentation problems, not hardware problems, which means they are fixable. I hope ECO-WORTHY invests in both.

Would I Buy It Again?

Conditional yes. If I were building the same cold-climate off-grid system today, I would buy it again because no competitor matches the low-temp charging at this price. My overall score remains 8/10 because the core functionality is excellent but the user experience details — app, manual, Bluetooth — keep it from being exceptional. If you are comfortable with some setup friction and value cold-weather reliability above all else, this is a strong buy.

My Recommendation

Buy it if your batteries live in an unheated space where temperatures drop below 14°F. Wait for a sale if you are in a mild climate and can afford to see whether the app improves with updates. Skip it if polished software and out-of-box simplicity are your top priorities — in that case, the EG4 PowerPro is a better fit. I have linked the current Amazon listing here if you want to check the latest price. Drop your own experience in the comments if you have used this battery — I am especially curious whether your Bluetooth range matches mine or if I got a weaker unit.

Reader Questions Answered

Is this actually worth the price, or is there a better option for less?

At $185 per kWh with the rack included, I think it is worth it if you need cold-weather charging. If you do not need low-temp capability, you can find cheaper per-kWh pricing from brands like PowerQueen or CHINS, but you will sacrifice closed-loop inverter communication and the completeness of the kit. For a mission-critical off-grid system, the ECO-WORTHY is a fair value. For a budget backup system, you can spend less.

How long does it take before you really know if it works for you?

I would say two weeks minimum. The first week is all novelty and minor setup frustrations. By week two, you have cycled the batteries enough times to see whether the inverter communication is stable and whether the capacity meets your needs. If you hit below-freezing temperatures within those two weeks, you will know immediately whether the low-temp charging works for your setup.

What breaks or wears out first?

Based on eight weeks of use and reading user reports, the app is the most fragile part — it crashed twice on me and required reinstallation. On the hardware side, the RJ45 communication ports are the most physically vulnerable because they are exposed on the front panel and the locking tabs are plastic. The cells themselves should last for thousands of cycles, but the user-facing connectivity components are the weak points.

Can a complete beginner use this without frustration?

Not honestly. A beginner can physically install it — slide batteries into the rack, connect the busbar — but configuring closed-loop communication with an inverter requires understanding dip switches, CAN bus protocols, and often a call to support. If you are new to solar energy systems, I recommend buying from a brand with a larger community (EG4 or Victron) where you can find YouTube walkthroughs for your exact inverter model.

What should I buy alongside it to get the best results?

You need six pairs of 4 AWG battery cables (positive and negative) at 24 inches each if you want to connect each battery to the busbar with short, clean runs. The busbar accepts M8 bolts, so buy an M8 ring terminal assortment for the busbar connections. A torque wrench set to 8–10 Nm for terminal bolts is essential — overtightening can damage the BMS board. Optional but recommended: a WiFi range extender if your router is more than 30 feet from the battery location.

Where is the safest place to buy it?

After comparing options, I found the most reliable source is this authorized retailer, which offers buyer protections and verified stock. The ECO-WORTHY website itself is also a direct option, but shipping costs may vary. Amazon offers faster returns and easier customer service if you encounter issues during the 30-day window.

Can I mix these batteries with other brands in the same rack?

Technically yes, but I do not recommend it. Each battery has its own BMS with slightly different voltage thresholds and communication protocols. Mixing brands can cause uneven charging and unexpected balancing behavior. If you already own a different brand of 48V server rack battery, buy the same brand for expansion rather than mixing with ECO-WORTHY.

Does the touchscreen show data from all six batteries or just one?

Each touchscreen shows data for its own battery only. You cannot scroll through all six batteries from one screen. To see system-wide data, you need to use the app, which does aggregate the data from all connected batteries. This is a limitation if you want to walk up to the rack and check everything at a glance — you would need to look at each screen individually.